Migrate vim to neovim (min v0.11)

Install newest vim-releases via appimage from github-page!

.config/nvim/lua/config/defaults.lua

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+vim.g.mapleader = " "
+vim.g.maplocalleader = " "
+
+-- look for modifier-lines in files and apply them
+vim.opt.modeline = true
+vim.opt.modelineexpr = true
+
+-- do no enter a linebreak at end of files (not unix-like, since it makes text-files binary for unix!)
+vim.opt.fixendofline = false
+
+-- improve line numbering
+vim.opt.number = true
+vim.opt.relativenumber = true
+
+-- highlight current line
+vim.opt.cursorline = true
+
+-- show meaningful chars for non-printable situations, e.g. nbsp or wrappings
+vim.opt.list = true
+vim.opt.listchars = "tab:› ,trail:·,nbsp:␣,extends:»,precedes:«"
+
+-- highlight search results
+vim.opt.hlsearch = true
+vim.cmd([[highlight LineNr ctermfg=7]])
+vim.cmd([[highlight CursorLineNr ctermbg=green]])
+vim.cmd([[highlight CursorLine ctermbg=green]])
+
+-- do not wrap long lines
+vim.opt.wrap = false
+
+-- break lines at words, not chars
+vim.opt.linebreak = true
+
+-- indent by 2 chars by default, make tabstops also 2 chars and expand tabs to spaces
+vim.opt.tabstop = 8
+vim.opt.softtabstop = 2
+vim.opt.softtabstop = -1
+vim.opt.shiftwidth = 2
+vim.opt.expandtab = true
+
+-- fold code after some nesting
+vim.opt.foldlevel = 100
+
+-- make backspace behave like in other applications
+vim.opt.backspace = "indent,eol,start"
+
+-- simply clear search
+vim.keymap.set("n", "<Leader>/", "<Cmd>nohlsearch<CR>")
+
+-- add some quickfix shortcuts for easier navigation
+vim.keymap.set("n", "<Leader>cn", "<Cmd>cnext<CR>")
+vim.keymap.set("n", "<Leader>n", "<Cmd>cnext<CR>")
+vim.keymap.set("n", "<Leader>cp", "<Cmd>cprevious<CR>")
+vim.keymap.set("n", "<Leader>p", "<Cmd>cprevious<CR>")
+vim.keymap.set("n", "<Leader>cc", "<Cmd>cclose<CR>")
+vim.keymap.set("n", "<Leader>co", "<Cmd>copen<CR>")
+vim.keymap.set("n", "<Leader>cf", "<Cmd>cfirst<CR>")
+vim.keymap.set("n", "<Leader>cl", "<Cmd>clast<CR>")
+
+-- simple spellchecks
+vim.keymap.set("n", "<Leader>ss", "<Cmd>set spell!<CR>")
+vim.keymap.set("n", "<Leader>sd", "<Cmd>set spelllang=de_de<CR>")
+vim.keymap.set("n", "<Leader>se", "<Cmd>set spelllang=en_us<CR>")
+
+-- make navigation easer on a german keyboard!
+vim.keymap.set("n", "ä", "]")
+vim.keymap.set("n", "ö", "[")
+vim.keymap.set("n", "<C-ä>", "<C-]>")
+vim.keymap.set("n", "<C-ö>", "<C-[>")
+vim.keymap.set("n", ",", ";")
+vim.keymap.set("n", ";", ",")
+
+-- simpler navigation in diffs
+if vim.api.nvim_win_get_option(0, "diff") then
+	vim.keymap.set("n", "<Leader>1", "<Cmd>diffget LOCAL<CR>")
+	vim.keymap.set("n", "<Leader>2", "<Cmd>diffget BASE<CR>")
+	vim.keymap.set("n", "<Leader>3", "<Cmd>diffget REMOTE<CR>")
+	vim.keymap.set("n", "<Leader>n", "]c")
+	vim.keymap.set("n", "<Leader>p", "[c")
+end
+
+-- autocommands for specific files
+local configgroup = vim.api.nvim_create_augroup('configgroup', { clear = true })
+
+function fix_filetype(pattern, filetype)
+	vim.api.nvim_create_autocmd({ "BufRead", "BufNewFile" }, {
+		pattern = pattern,
+		group = configgroup,
+		callback = function()
+			vim.opt.filetype = filetype
+		end,
+	})
+end
+
+-- fix filetypes
+fix_filetype("*Containerfile", "dockerfile")
+fix_filetype("~/.config/git/*", "gitconfig")
+
+-- adjust settings per filetype
+-- git
+vim.api.nvim_create_autocmd("FileType", {
+	pattern = "gitconfig",
+	group = configgroup,
+	callback = function()
+		vim.opt_local.expandtab = false
+		vim.opt_local.shiftwidth = 4
+		vim.opt_local.tabstop = 4
+	end,
+})
+-- lua
+vim.api.nvim_create_autocmd("FileType", {
+	pattern = "lua",
+	group = configgroup,
+	callback = function()
+		vim.opt_local.expandtab = false
+		vim.opt_local.shiftwidth = 4
+		vim.opt_local.tabstop = 4
+	end,
+})

.config/nvim/lua/config/lazy.lua

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+-- Bootstrap lazy.nvim
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not (vim.uv or vim.loop).fs_stat(lazypath) then
+  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
+  local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
+  if vim.v.shell_error ~= 0 then
+    vim.api.nvim_echo({
+      { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
+      { out, "WarningMsg" },
+      { "\nPress any key to exit..." },
+    }, true, {})
+    vim.fn.getchar()
+    os.exit(1)
+  end
+end
+vim.opt.rtp:prepend(lazypath)
+
+-- Make sure to setup `mapleader` and `maplocalleader` before
+-- loading lazy.nvim so that mappings are correct.
+-- This is also a good place to setup other settings (vim.opt)
+-- vim.g.mapleader = " "
+-- vim.g.maplocalleader = "\\"
+
+-- Setup lazy.nvim
+require("lazy").setup({
+  spec = {
+    -- import your plugins
+    { import = "plugins" },
+  },
+  -- Configure any other settings here. See the documentation for more details.
+  -- colorscheme that will be used when installing plugins.
+  install = { colorscheme = { "habamax" } },
+  -- automatically check for plugin updates
+  checker = { enabled = true, notify = false },
+})